Alright, let's work through 3543 times 6587 step by step
3543 × 6587 = 6587 × (3543)
+ 6587 × 3 which equals 19761
+ 6587 × 40 producing 263480
+ 6587 × 500 yielding 3293500
+ 6587 × 3000 yielding 19761000

= 23337741
